[Dovecot] Antispam plugin custom behavior?

Juan Asensio Sánchez okelet at gmail.com
Wed Jun 11 18:51:47 EEST 2008


The anispam plugin does exactly what you need, and you could forget
the cron script. If you use SpamAssassin, you could add a rule to
Sieve to move the Spam messages when they arrives to the Spam folder.
If a user moves a message from Spam folder to any other folder, then
the message is considered a false possitive (when this move is
detected you could run sa-learn inmediatly, without the cron script);
the other way, when a user moves a message INTO the spam folder you
could run again the sa-learn script, but with different parameters.

I am testing antispam plugin with dovecot 1.1rcX, but it looks there
is a conflict with quota plugin. Anyway you can view the documentation
i have done, but it is in spanish.



2008/6/11 Kyle Wheeler <kyle-dovecot at memoryhole.net>:
> Hello,
> I currently have a setup on my system with what I call "magic folders" to
> enable spam filter training. Here's how it works:
>    1. If you have a false-negative, put the spam into the Spam.Report
>    folder
>    2. If you have a false-positive (which has all kinds of ugly
>    spamassassin protective markup in it), put the message into the
>    Spam.NotSpam folder
> Currently what happens is that a cron job comes along every five minutes and
> processes the messages in those folders. In the case of the NotSpam folder,
> it strips the message of the spamassassin markup,  retrains the bayesian
> net, and redelivers the message (e.g. via deliver). In the case of the
> Report folder, the message is used to train the bayesian net (among other
> things) and then deleted.
> I'd love to be able to trigger these actions when the mail is moved, rather
> than have a cron job inspecting the mailboxes.
> I looked into the antispam plugin
> (http://johannes.sipsolutions.net/Projects/dovecot-antispam), which seems
> nice but doesn't appear sufficiently generic for my needs. What would really
> work is if I could get it set up such that putting a message into either of
> those directories is turned into piping the message to a script of my
> choosing (a different one for each folder).
> Does anyone know a good way of getting my own custom behavior in here, or is
> my cronjob setup probably the best way?
> ~Kyle
> --
> The optimist thinks this is the best of all possible worlds. The pessimist
> fears it is true.
>                                              -- J. Robert Oppenheimer

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